cbs reporter linda yee is there with details. linda? >> reporter: well, allen, that fire was so intense that they were still knocking down flames late this afternoon. but take a look. we also learned now that this building, the "squat & gobble" restaurant, it is so unstable now that the fire chief told me it's going to have to come down. hot spots continue to burn hours after the fire started. firefighters did not have the blaze under control until 11 hours after flames were first spotted. two buildings were destroyed. the "squat & gobble" and the wine bar next door. >> we had to go defensive on the restaurant. we had a roof collapse and had some units on the -- you can see back there that we had some problems with the roof collapsing. >> reporter: was anybody hurt? >> we have four firefighters injured. they were all mine more. >> reporter: frank owns the restaurant with his brother, who is out of town today. frank says this will break his heart. >> it's so sad. he treats his stores like babies. he does everything and has to do it right